101230312131 has 24 divisors (see below), whose sum is σ = 166732282080. Its totient is φ = 58631129856.

The previous prime is 101230312121. The next prime is 101230312159. The reversal of 101230312131 is 131213032101.

It is not a de Polignac number, because 101230312131 - 2⁶ = 101230312067 is a prime.

It is a super-2 number, since 2×101230312131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101230312121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25445551 + ... + 25449528.

It is an arithmetic number, because the mean of its divisors is an integer number (6947178420).

Almost surely, 2^101230312131 is an apocalyptic number.

101230312131 is a deficient number, since it is larger than the sum of its proper divisors (65501969949).

101230312131 is a wasteful number, since it uses less digits than its factorization.

101230312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50895115 (or 50895112 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101230312131 its reverse (131213032101), we get a palindrome (232443344232).

The spelling of 101230312131 in words is "one hundred one billion, two hundred thirty million, three hundred twelve thousand, one hundred thirty-one".